The Soca Valley (Slovenia) - Tips + Views of Emerald River
2021-6-8u2002·u2002Why is the Soca River color emerald green? From what I have read (but I am not expert): The color comes from the small particles of bedrock suspended in the water (the rock flour) which reflect more green and blue when hit by the light. Since the region is mainly limestone and marl deposits, the colors remains for the whole length.
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